51531990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{90407}}^1$

素因数の和:90436

約数の個数: 32

約数和(自身を含む): 130187520

約数和(自身を除く): 78655530

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 90407, 180814, 271221, 452035, 542442, 904070, 1356105, 1717733, 2712210, 3435466, 5153199, 8588665, 10306398, 17177330, 25765995, 51531990]

約数ペア:

[(1, 51531990), (2, 25765995), (3, 17177330), (5, 10306398), (6, 8588665), (10, 5153199), (15, 3435466), (19, 2712210), (30, 1717733), (38, 1356105), (57, 904070), (95, 542442), (114, 452035), (190, 271221), (285, 180814), (570, 90407)]